package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper
public interface UserMapper {

        //根据openid查询用户
       @Select("select * from user where openid = #{openid}")
        User selectByOpenid(String openid);

        //插入用户
        //插入用户
         void insert(User user);


        //根据用户id查询用户
        @Select("select * from user where id = #{userId}")
        User getById(Long userId);


        //根据时间统计用户数量

        Integer countByTime(Map map);
}
